Long-haul DWDM/SCM transmission of 64- and 256-QAM using electroabsorption modulated laser transmitters

Long-haul DWDM/SCM transmission of 64- and 256-QAM using electroabsorption modulated laser transmitters

We report the first eight-wavelength hybrid dense wavelength-division multiplexing/subcarrier multiplexing (DWDM/SCM) transmission over 800 km (ten spans) of standard single-mode fiber, with 1.04-Gb/s payload on each wavelength in 35 6-MHz 64-quadrature amplitude modulated (QAM) channels, without di...

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Veröffentlicht in:IEEE photonics technology letters 2002-08, Vol.14 (8), p.1184-1186
Hauptverfasser: Wilson, G.C., Delavaux, J.-M., Srivastava, A., Hullin, C., McIntosh, C., Bethea, C.G., Wolf, C.
Format: Artikel
Sprache:eng
Schlagworte:
Channels
Chirp modulation
Dispersions
Fiber lasers
Forward error correction
Lasers
Multiplexing
Optical fiber dispersion
Optical modulation
Optical transmitters
Payloads
Quadrature amplitude modulation
Transmitters
Wavelength division multiplexing
Wavelengths
WDM networks
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Beschreibung
Zusammenfassung:We report the first eight-wavelength hybrid dense wavelength-division multiplexing/subcarrier multiplexing (DWDM/SCM) transmission over 800 km (ten spans) of standard single-mode fiber, with 1.04-Gb/s payload on each wavelength in 35 6-MHz 64-quadrature amplitude modulated (QAM) channels, without dispersion compensation. Forward error-correction coding (FEC) was used to achieve error-free performance. Error-free performance on the majority of channels was also achieved for 64-QAM without FEC and for 256-QAM with FEC over 400 km. We used electroabsorption modulated laser transmitters.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.1022012